the boston bruins and the big apple circus also have postponed tonight's events. good reasoning for that. let's get the latest now, brian todd joining us. you've taken a close look moment by moment as we await the start of the news conference with the latest from law enforcement authorities. give us a picture of what has happened here for our viewers in the united states and around the world. >> it's an incredible picture, wolf. for the past 16 plus hours this has been one of the most intense man hunts in american history but it was at the point a little more than 24 hours ago when law enforcement gave us the first clear visual images of these suspects that really seem to set it all in motion. the release of the images on thursday afternoon let the suspects know the feds were on to them. even if the authorities didn't know their names yet or where to find them. >> we consider them to be armed and extremely dangerous. >> reporter: around 10:00 p.m. that night it all began to unravel. the suspects allegedly robbed a convenience store outside of boston in cambridge n